A captured tank driver is helped to safety by students as the crowd beats him June 4, 1989. This year marks the 10th anniversary of the bloody June 4 1989 army crackdown on the pro-democracy movement at Beijing's Tiananmen Square. (Photo by Reuters/China Stringer Network)





A young Havasupai mother carries her child in a cradle made of basket, in Supai or Havasu Canyon, August 12, 1941. The remote American Indian reservation is located in one of the tributary gorges of the Grand Canyon. (Photo by AP Photo)





John F Kennedy, centre, and the US vice-president, Lyndon Johnson, far left, visit Huntsville in September 1962 to check on Nasa’s progress during a cross-country tour of American space facilities. In May the previous year, Kennedy set forth the priority of landing a man on the moon by the end of the decade and returning him safely to Earth. (Photo by Bob Gomel/Time & Life Pictures/Getty Images/Tasche)





Left to right: Marty Kane of the United States Geological Survey, astronauts Alan Bean, Neil Armstrong, Bill Anders and Roger Chaffee, and Joel Watkins (USGS) on geology training near Cimarron, New Mexico, in June 1964. Beginning three months earlier, the series of geology field trips was designed to introduce the astronaut corps to geologic concept and to give crews detailed training in the types of observations they might expect to make on the moon. (Photo by USGS/Taschen)





View of the Apollo 11 launch from the press area, Kennedy Space Centre in Florida on 16 July 1969. (Photo by Bettmann/Corbis/Taschen)





In this February 1, 1979 file photo, Ayatollah Ruhollah Khomeini has a heavy escort as he enters car to leave the airport in Tehran, Iran. Forty years ago, Iran's ruling shah left his nation for the last time and an Islamic Revolution overthrew the vestiges of his caretaker government. The effects of the 1979 revolution, including the takeover of the U.S. Embassy in Tehran and ensuing hostage crisis, reverberate through decades of tense relations between Iran and America. (Photo by AP Photo/FY/File)





A policeman grabs a youth by the hair as another New York policeman clubs a long haired young man in a disorder in Greenwich Village, August 31, 1970 in New York. The confrontation between police and demonstrators occurred after a Gay Power march. Police chased the crowds with raised night sticks and clubbed several persons. (Photo by AP Photo)





Tourists pause outside the house in Chappaquiddick Island, Martha's Vineyard on August 25, 1969,, where a cook-out was held on July 18, 1969 where Sen. Edward Kennedy hosted a reunion for campaign workers from Robert Kennedy's presidential campaign. Leaving the party on July 18, 1969, Sen. Edward Kennedy drove a car off the Dike Bridge on Chappaquiddick island, Martha's Vineyard with campaign worker Mary Jo Kopechne, who downed in the submerged car. (Photo by AP Photo)





In this September 23, 1942 file photo, Japanese troops advance towards Nanking, China. The relationship between China and Japan is one of close economic ties shadowed by enduring political tensions dating to Japan’s brutal World War II invasion and occupation of parts of China. Relations sunk to their lowest level in years following Japan’s 2012 move to nationalize East China Sea islands claimed by China, setting off anti-Japanese riots in China. (Photo by AP Photo)





The five girls that attended the party on Chappaquiddick Island the night Mary Jo Kopechne was killed return to airport terminal from plane after trouble cropped up with the plane, Edgartown, Mass., January 8, 1970. Earlier in the day they had testified in fourth and last day of inquest into death of Miss Kopechne involving Sen. Edward Kennedy. (L-R) Rosemary Keough, Maryellen Lyons, Nance Lyons, Susan Tannenbaum and Esther Newberg. Behind-right is one of the lawyers, Daniel Daly. (Photo by Bettmann/Getty Images)





Madrid, the Spanish metropolis, however is being shelled and bombarded almost every day. Destruction caused by air raids, on December 22, 1938. (Photo by AP Photo)





Rae Samuels holds the last bottle of beer that was distilled before prohibition went into effect in Chicago, Ill., December 29, 1930. The bottle of Schlitz has been insured for $25,000. (Photo by AP Photo)





In this February 1, 1979 file photo, Ayatollah Ruhollah Khomeini, center, waves to followers as he appears on the balcony of his headquarters in Tehran, Iran. Forty years ago, Iran's ruling shah left his nation for the last time and an Islamic Revolution overthrew the vestiges of his caretaker government. The effects of the 1979 revolution, including the takeover of the U.S. Embassy in Tehran and ensuing hostage crisis, reverberate through decades of tense relations between Iran and America. (Photo by AP Photo/Campion/File)





In this October 3, 1968 file photo, armored cars are lined up on the Plaza of the Three Cultures in Mexico City, after fierce clashes the previous night between Mexican forces and striking students. As Mexico marks the 50-year anniversary of Tlatelolco, the massacre remains something of an open wound: Nobody knows exactly how many died when soldiers opened fire on a peaceful demonstration, and it wasn't until 2018 that a government agency acknowledged for the first time that it was “a state crime”. (Photo by AP Photo)





Actress Evelyn Brent wears hostess pajamas, chartreuse velvet trousers and sable-trimmed metallic jacket with a silver-cloth turban, February 20, 1929. (Photo by AP Photo)





In this May 1943 file photo, Aiko Sumoge, an assistant teacher, leads a kindergarten class in singing an English folk song at the internment relocation center for Japanese Americans in Tulelake, Calif., during World War II. Beliefs that Hispanics and Asians living in the U.S. won't assimilate or refuse to speak English are based on stereotypes that scholars say are linked to notions of white supremacy. Throughout American history, Hispanics and Asians have been pressured to adopt the customs of the mainstream white population. The pressure came even as some laws forbade them from voting, intermarrying and having access to education and public facilities. (Photo by AP Photo/File)





This December 7, 1941 file photo shows a Japanese man under arrest in the roundup at Norfolk, Va., being searched by a policeman after Japan's declaration of war on the U.S. Beliefs that Hispanics and Asians living in the U.S. won't assimilate or refuse to speak English are based on stereotypes that scholars say are linked to notions of white supremacy. Throughout American history, Hispanics and Asians have been pressured to adopt the customs of the mainstream white population. The pressure came even as some laws forbade them from voting, intermarrying and having access to education and public facilities. (Photo by AP Photo/File)





Actress Molly Lamont receiving her orange “rations” from a sergeant at Elstree Studios, London, circa 1940. It is being advised that everyone eat three oranges a day following a “flu epidemic”, which has claimed over 200 victims at the studios. (Photo by Fox Photos/Getty Images)





The shattered remains of a school bus that collided with a train in Greeley, Colorado, December 14, 1961. The overturned rear of the bus was the largest intact section. 20 children were killed in the accident. (Photo by AP Photo)





Linda Evangelista, Naomi Campbell, Polly Mellon, and Christy Turlington, The Fashion Group International's 6th Annual “Night of 100 Stars” at the The Plaza Hotel in New York City, New York on October 29, 1989. (Photo by Ron Galella/WireImage)